shell/context.h

// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef SHELL_CONTEXT_H_
#define SHELL_CONTEXT_H_

#include <string>

#include "base/macros.h"
#include "mojo/application_manager/application_manager.h"
#include "shell/mojo_url_resolver.h"
#include "shell/task_runners.h"

#if defined(OS_ANDROID)
#include "base/android/scoped_java_ref.h"
#endif  // defined(OS_ANDROID)

namespace mojo {

class Spy;

namespace shell {

class DynamicApplicationLoader;
class ExternalApplicationListener;

// The "global" context for the shell's main process.
class Context : ApplicationManager::Delegate {
 public:
  Context();
  ~Context() override;

  static void EnsureEmbedderIsInitialized();
  bool Init();

  void Run(const GURL& url);
  ScopedMessagePipeHandle ConnectToServiceByName(
      const GURL& application_url,
      const std::string& service_name);

  TaskRunners* task_runners() { return task_runners_.get(); }
  ApplicationManager* application_manager() { return &application_manager_; }
  MojoURLResolver* mojo_url_resolver() { return &mojo_url_resolver_; }

#if defined(OS_ANDROID)
  base::MessageLoop* ui_loop() const { return ui_loop_; }
  void set_ui_loop(base::MessageLoop* ui_loop) { ui_loop_ = ui_loop; }
#endif  // defined(OS_ANDROID)

 private:
  class NativeViewportApplicationLoader;

  // ApplicationManager::Delegate override.
  void OnApplicationError(const GURL& url) override;
  GURL ResolveURL(const GURL& url) override;

  std::set<GURL> app_urls_;
  scoped_ptr<TaskRunners> task_runners_;
  scoped_ptr<ExternalApplicationListener> listener_;
  ApplicationManager application_manager_;
  MojoURLResolver mojo_url_resolver_;
  scoped_ptr<Spy> spy_;
#if defined(OS_ANDROID)
  base::MessageLoop* ui_loop_;
#endif  // defined(OS_ANDROID)

  DISALLOW_COPY_AND_ASSIGN(Context);
};

}  // namespace shell
}  // namespace mojo

#endif  // SHELL_CONTEXT_H_